The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2002
Filed:
Dec. 02, 1999
Kensuke Akutsu, Toyonaka, JP;
Nippon Paint Co., Ltd., Osaka, JP;
Abstract
In a spark gap switch of a pulse generating circuit of a plasma generator T, an intermediate electrode , which is not connected to any electrical source, is disposed at a nearly middle position between a first spherical electrode and a second spherical electrode so as to hold respective spark gaps to the both spherical electrodes . Further, in the spark gap switch , switching operation is performed between the both spherical electrodes by causing two-stage spark discharge in the first spark gap between the first spherical electrode and the intermediate electrode , and in the second spark gap between the intermediate electrode and the second spherical electrode . Thus, in the spark gap switch , pulse voltage of high voltage and high frequency is stably generated for a long time, and further the spark gap switch may be made compact.